Anyone with information about this sexual assault is asked to contact the Homicide/Sex Section at 240-773-5070. Those who wish to remain anonymous may contact Crime Solvers of Montgomery County toll-free at 1-866-411-TIPS (8477) or 240-773-TIPS (8477) or submit a tip online. Crime Solvers is offering a cash reward of up to $1,000 for information provided to them that leads to an arrest in this case. Anonymous tips can also be provided by typing “MCPD” plus the tip on a cell phone or PDA and texting it to 274637 (CRIMES).